The 20 Best Vitamin D Deficiency Doctors Near Me in rialto, CA

Find the Top Vitamin D Deficiency Experts and Specialists

Last Updated: 09/26/2026

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MediFind found 282 doctor with experience in Vitamin D Deficiency near rialto, CA. Of these, 242 are Experienced, 39 are Advanced and 1 are Distinguished.

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282 providers found
    Advanced in Vitamin D Deficiency
    Family Medicine
    Advanced in Vitamin D Deficiency
    Family Medicine

    Arrowhead Regional Medical Center

    400 N Pepper Ave, 
    Colton, CA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Rabia Bhatti is a primary care provider, practicing in Family Medicine in Colton, California. Dr. Bhatti is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 4 other conditions, according to our data. Her clinical expertise encompasses Obesity in Children, Food Allergy, Familial Hypertriglyceridemia, and Vitamin D Deficiency. Dr. Bhatti is currently accepting new patients.

    Distinguished in Vitamin D Deficiency
    Family Medicine
    Distinguished in Vitamin D Deficiency
    Family Medicine

    Ravinder Singh, Md, Inc.

    8231 Rochester Ave, 
    Rancho Cucamonga, CA 
     (10.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Ravinder Singh is a primary care provider, practicing in Family Medicine in Rancho Cucamonga, California. Dr. Singh is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 121 other conditions, according to our data. His clinical expertise encompasses Hypercalcemia, Milk-Alkali Syndrome, Type 2 Diabetes (T2D), Hormone Replacement Therapy (HRT), and Parathyroidectomy. Dr. Singh is board certified in American Board Of Family Medicine. Dr. Singh is currently accepting new patients.

    Experienced in Vitamin D Deficiency
    Experienced in Vitamin D Deficiency

    Optum - Rialto

    1851 N Riverside Ave, 
    Rialto, CA 
     (1.9 miles away)
    Experience:
    17+ years
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Camille De S Chano is a primary care provider, practicing in Family Medicine in Rialto, California. She has been practicing medicine for over 17 years. Dr. De S Chano is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 2 other conditions, according to our data. Her clinical expertise encompasses Obesity, Osteomyelitis in Children, Type 2 Diabetes (T2D), and Obesity in Children. Dr. De S Chano is currently accepting new patients.

    Learn about our expert tiers
    Experienced in Vitamin D Deficiency
    Experienced in Vitamin D Deficiency

    Arrowhead Regional Medical Center

    400 N Pepper Ave, 
    Colton, CA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Katherine Bourbeau-Medinilla is a primary care provider, practicing in Internal Medicine in Colton, California. Dr. Bourbeau-Medinilla is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, Hypertension, and Familial Hypertension. Dr. Bourbeau-Medinilla is currently accepting new patients.

    Experienced in Vitamin D Deficiency
    Internal Medicine
    Experienced in Vitamin D Deficiency
    Internal Medicine

    Arrowhead Regional Medical Center

    400 N Pepper Ave, 
    Colton, CA 
     (2.5 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Tam Huynh is a primary care provider, practicing in Internal Medicine in Colton, California. Dr. Huynh is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 15 other conditions, according to our data. Her clinical expertise encompasses Diabetic Retinopathy, Type 2 Diabetes (T2D), Gastroparesis, and Glucocorticoid-Remediable Aldosteronism. Dr. Huynh is currently accepting new patients.

    Experienced in Vitamin D Deficiency
    Internal Medicine
    Experienced in Vitamin D Deficiency
    Internal Medicine

    Arrowhead Regional Medical Center

    400 N Pepper Ave, 
    Colton, CA 
     (2.5 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Accepting New Patients

    Sunita Hassamal is a primary care provider, practicing in Internal Medicine in Colton, California. She has been practicing medicine for over 10 years. Dr. Hassamal is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 8 other conditions, according to our data. Her clinical expertise encompasses Type 2 Diabetes (T2D), Hypertension, Familial Hypertension, and Glucocorticoid-Remediable Aldosteronism. Dr. Hassamal is currently accepting new patients.

    Experienced in Vitamin D Deficiency
    Family Medicine
    Experienced in Vitamin D Deficiency
    Family Medicine

    Lasalle Medical Associates

    565 N Mount Vernon Ave, 
    San Bernardino, CA 
     (3.3 miles away)
    Experience:
    10+ years
    Languages Spoken:
    English
    Accepting New Patients

    Richard Arcelao is a primary care provider, practicing in Family Medicine in San Bernardino, California. He has been practicing medicine for over 10 years. Dr. Arcelao is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 11 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Obesity in Children, Obesity, and Osteomyelitis in Children. Dr. Arcelao is currently accepting new patients.

    Advanced in Vitamin D Deficiency
    Nurse Practitioner
    Advanced in Vitamin D Deficiency
    Nurse Practitioner
    Referral may be required

    Optum - Rialto

    1851 N Riverside Ave, 
    Rialto, CA 
     (1.9 miles away)
    Languages Spoken:
    English

    Velma Perdue is a Nurse Practitioner practicing medicine in Rialto, California. Perdue, NP is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Eyelid Bump, and Aseptic and Alopecic Nodules of Scalp (AANS).

    Advanced in Vitamin D Deficiency
    Family Medicine
    Advanced in Vitamin D Deficiency
    Family Medicine

    Optum - Rialto

    1851 N Riverside Ave, 
    Rialto, CA 
     (1.9 miles away)
    Languages Spoken:
    English

    Jesse Guadiz is a primary care provider, practicing in Family Medicine in Rialto, California. Dr. Guadiz is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Type 2 Diabetes (T2D), Obesity, and Hypertension.

    Advanced in Vitamin D Deficiency
    Internal Medicine
    Advanced in Vitamin D Deficiency
    Internal Medicine

    Lasalle Medical Associates

    565 N Mount Vernon Ave, 
    San Bernardino, CA 
     (3.3 miles away)
    Languages Spoken:
    English

    Nooshin Salehi is a primary care provider, practicing in Internal Medicine in San Bernardino, California. Dr. Salehi is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 7 other conditions, according to our data. Her clinical expertise encompasses Obesity in Children, Type 2 Diabetes (T2D), Obesity, and Osteomyelitis in Children.

    Advanced in Vitamin D Deficiency
    Internal Medicine
    Advanced in Vitamin D Deficiency
    Internal Medicine

    United Family Care

    8110 Mango Ave, 
    Fontana, CA 
     (3.5 miles away)
    Languages Spoken:
    English

    Nasser Liasi is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Liasi is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Type 2 Diabetes (T2D), Osteomyelitis in Children, Glucocorticoid-Remediable Aldosteronism, and Hypertension.

    Advanced in Vitamin D Deficiency
    Internal Medicine
    Advanced in Vitamin D Deficiency
    Internal Medicine
    8110 Mango Ave, Suite 104, 
    Fontana, CA 
     (3.5 miles away)
    Languages Spoken:
    English

    Duc Nguyen is a primary care provider, practicing in Internal Medicine in Fontana, California. Dr. Nguyen is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Type 2 Diabetes (T2D), High Cholesterol, and Autoerythrocyte Sensitivity.

    Experienced in Vitamin D Deficiency
    Experienced in Vitamin D Deficiency
    Referral may be required

    Metropolitan Family Medical Clinic

    7965 Sierra Ave, Ste E, 
    Fontana, CA 
     (3.7 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Jesusa Aquino is a Pediatrics provider practicing medicine in Fontana, California. Dr. Aquino is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 3 other conditions, according to our data. Her clinical expertise encompasses Obesity in Children, Delayed Growth, Autism Spectrum Disorder, and Idiopathic Short Stature (ISS). Dr. Aquino is board certified in Pediatrics. Dr. Aquino is currently accepting new patients.

    Advanced in Vitamin D Deficiency
    Nurse Practitioner
    Advanced in Vitamin D Deficiency
    Nurse Practitioner
    Referral may be required

    Unicare Community Health Center, Inc.

    16127 Foothill Blvd, 
    Fontana, CA 
     (4.7 miles away)
    Languages Spoken:
    English

    Bryan Rocha is a Nurse Practitioner practicing medicine in Fontana, California. Rocha, NP is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Vitamin D Deficiency, Eyelid Bump, and Epidural Lipomatosis.

    Experienced in Vitamin D Deficiency
    Sleep Medicine
    Experienced in Vitamin D Deficiency
    Sleep Medicine
    Referral may be required

    Sunil Arora, MD

    1998 N Arrowhead Ave, 
    San Bernardino, CA 
     (5.0 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Sunil Arora is a Sleep Medicine provider practicing medicine in San Bernardino, California. Dr. Arora is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 1 other condition, according to our data. His clinical expertise encompasses Obstructive Sleep Apnea, Drowsiness, Excessive Daytime Sleepiness, and Emphysema. Dr. Arora is board certified in Internal Medicine and Internal Medicine (Sub: Pulmonary Disease). Dr. Arora is currently accepting new patients.

    Advanced in Vitamin D Deficiency
    Advanced in Vitamin D Deficiency
    Referral required

    San Bernardino Medical Group, Inc

    1700 N Waterman Ave, 
    San Bernardino, CA 
     (5.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Suzanne Enloe-Whitaker is a Rheumatologist practicing medicine in San Bernardino, California. Dr. Enloe-Whitaker is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 12 other conditions, according to our data. Her clinical expertise encompasses Sjogren Syndrome, Rheumatoid Arthritis (RA), Osteoporosis, and Postmenopausal Osteoporosis. Dr. Enloe-Whitaker is board certified in Internal Medicine (Sub: Rheumatology), American Board Of Internal Medicine, and Internal Medicine. Dr. Enloe-Whitaker is currently accepting new patients.

    Advanced in Vitamin D Deficiency
    Family Medicine
    Advanced in Vitamin D Deficiency
    Family Medicine

    Optum - San Bernardino Medical Group

    1700 N Waterman Ave, 
    San Bernardino, CA 
     (5.4 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Nesib Ali is a primary care provider, practicing in Family Medicine in San Bernardino, California. Dr. Ali is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 31 other conditions, according to our data. His clinical expertise encompasses Osteomyelitis in Children, Type 2 Diabetes (T2D), High Cholesterol, and Cirrhosis. Dr. Ali is board certified in American Board Of Family Medicine. Dr. Ali is currently accepting new patients.

    Advanced in Vitamin D Deficiency
    Family Medicine
    Advanced in Vitamin D Deficiency
    Family Medicine

    Inland Empire Pain Management

    754 E Highland Ave, 
    San Bernardino, CA 
     (6.1 miles away)
    Languages Spoken:
    English
    Accepting New Patients

    Donald Underwood is a primary care provider, practicing in Family Medicine in San Bernardino, California. Dr. Underwood is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. He is also highly rated in 10 other conditions, according to our data. His clinical expertise encompasses Obesity in Children, Food Allergy, Kerion Celsi, and Vitamin D Deficiency. Dr. Underwood is currently accepting new patients.

    Advanced in Vitamin D Deficiency
    Advanced in Vitamin D Deficiency

    Cucamonga Valley Medical Group, Inc.

    16465 Sierra Lakes Pkwy, 
    Fontana, CA 
     (8.2 miles away)
    Languages Spoken:
    English
    Accepting New Patients
    Offers Telehealth

    Kimberly Bekemeier is a primary care provider, practicing in Family Medicine in Fontana, California. Dr. Bekemeier is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. She is also highly rated in 28 other conditions, according to our data. Her clinical expertise encompasses Obesity, Obesity in Children, Cirrhosis, and High Cholesterol. Dr. Bekemeier is board certified in American Board Of Family Medicine. Dr. Bekemeier is currently accepting new patients.

    Experienced in Vitamin D Deficiency
    Family Medicine
    Experienced in Vitamin D Deficiency
    Family Medicine

    Office

    1605 S Riverside Ave Ste B, 
    Rialto, CA 
     (0.5 miles away)
    Languages Spoken:
    English

    Rebecca Torres is a primary care provider, practicing in Family Medicine in Rialto, California. Dr. Torres is rated as an Experienced provider by MediFind in the treatment of Vitamin D Deficiency. Her clinical expertise encompasses Type 2 Diabetes (T2D), Parinaud Oculoglandular Syndrome, Henoch-Schonlein Purpura, and High Cholesterol.

    Showing 1-20 of 282

    Last Updated: 09/26/2026

    What is the definition of Vitamin D Deficiency?

    Vitamin D deficiency is when the body does not have enough vitamin D. Vitamin D is necessary for absorbing calcium and healthy bones.

    When should I see a Vitamin D Deficiency doctor near rialto, CA?

    There are various reasons why you may want to see a specialist, such as: 

    • Your primary care provider recommends it. 
    • Your condition requires expert knowledge and specialized care. 
    • Your symptoms persist or worsen despite treatment. 
    • You need specialized testing or procedures. 
    • You want a second opinion.  

    What should I consider when choosing a Vitamin D Deficiency doctor near rialto, CA?

    It’s important to see a provider with expertise in your specific condition. Each provider profile in MediFind’s doctor database includes information on which conditions they treat, years of experience, research contributions, languages spoken, insurance plans accepted, and more.  

    How does MediFind rank Vitamin D Deficiency doctors near rialto, CA?

    MediFind’s rankings are based on a variety of data sources, such as the number of articles a doctor has published in medical journals, participation in clinical trials and industry conferences, as well as the number of patients that provider sees for a given condition. Note that MediFind’s provider database is not based on user reviews, and providers do not pay to be included in the database. 

    What types of insurance are accepted by Vitamin D Deficiency doctors near rialto, CA?

    Most profiles in MediFind’s doctor database include a list of insurance plans accepted by that provider. However, it’s a good idea to contact the provider’s office to make sure they still accept your insurance, then doublecheck by contacting your insurance plan to confirm they’re in network. 

    How can I book an appointment online with a Vitamin D Deficiency doctor near rialto, CA?

    MediFind offers direct scheduling for certain providers using the “Request Appointment” button on that provider’s profile. If the schedule option is not available for a provider, tap the red “Show Phone Number” button on their profile to get their contact information. If you prefer to find providers who offer online scheduling, select “Schedules online” under the “Availability” category of the filter feature on the left side of the Vitamin D Deficiency doctor search results page. 

    Why is it important to get a second opinion from a different Vitamin D Deficiency doctor?

    Second opinions are an opportunity to confirm a diagnosis and its root cause, learn about alternative treatment options, or simply gain peace of mind. Many people, especially those with serious diagnoses, get second opinions so they can understand all their options and make informed decisions, so don’t hesitate to get one if you have any doubts or need more information or clarification regarding your care. Note that some insurance plans require second opinions, while others don’t cover second opinions, so be sure to confirm with your insurance provider first.   

    How can I prepare for my appointment with a Vitamin D Deficiency doctor near rialto, CA?

    Prepare for your appointment by gathering the following items: 

    • Copies of medical records (dating back at least one year) 
    • Your medical history, including illnesses, medical conditions, surgeries, and other doctors you see 
    • Family history of disease 
    • List of current prescription drugs, over-the-counter medicines, vitamins, and herbal remedies or supplements including names and doses 
    • Allergies to medications, food, latex, insects, etc.  
    • List of questions and concerns 
    • Your insurance card 

    You might also contact the provider’s office to see if they offer transportation or childcare services or if you’re allowed to bring a loved one for support or to take notes during your visit. 

    What questions should I ask my Vitamin D Deficiency doctor?

    Here are some sample questions: 

    • Can you explain in simple terms what this condition is and how it’s treated? 
    • What symptoms or side effects should I watch for? 
    • What tests will be involved, and when can I expect results? 
    • Are there other specialists I need to see? 
    • What’s the best way to reach you if I have follow-up questions? 

    How can I learn about the latest clinical trials and research advances my Vitamin D Deficiency doctor may know about?

    MediFind’s Clinical Trials tool asks you a series of questions to help you narrow down your search by health condition, age, gender, location, how far you’re willing to travel, and more. Each question you answer filters down the number of trials until you find the ones that are most relevant to you. 

    MediFind’s Latest Advances tool features summaries of recent articles published in medical journals. We use cutting-edge technology to scour medical publication databases for the latest research advancements on any given condition, then we simplify this information in a way that’s useful and easy to understand. 

    Can I filter my search to show male or female Vitamin D Deficiency doctors near rialto, CA?

    Look for the filter feature on the left side of the Vitamin D Deficiency doctor search results page. Select “Female” or “Male” under the “Gender” category to search for female or male providers exclusively. If the “Any” option is selected, it will pull results for both male and female providers. 

    Can I filter my search to find a Vitamin D Deficiency doctor that offers video calls?

    Look for the filter feature on the left-side of the Vitamin D Deficiency doctor search results page. Select “Offers telehealth visits” under the Availability category to search for providers who offer virtual appointments (video calls). 

    Reviewed on: 11/11/24  

    By: MediFind Medical Staff 

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